Does a reaction ability that triggers during an investigation provoke an attack of opportunity?

Question

Accepted Answer

Not by itself. A reaction that just delivers an effect generally does not provoke an attack of opportunity. If the reaction has you take an action such as investigate, that action provokes one as usual. Reaction abilities are optional.

Arkham Horror: The Card Game (Revised Core Set)

Does a reaction ability that triggers during an investigation provoke an attack of opportunity?